PN

Philip R. Norris

PO Polaroid: 58 patents #4 of 898Top 1%
Rohm And Haas: 1 patents #1,282 of 2,359Top 55%
📍 North Reading, MA: #1 of 228 inventorsTop 1%
🗺 Massachusetts: #769 of 88,656 inventorsTop 1%
Overall (All Time): #38,292 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
4239365 Accessory for adapting cameras to small format photographic film units 1980-12-16
4235532 Card motion picture camera 1980-11-25
4235545 Microfiche camera with cooperating shutter and light shield 1980-11-25
4235543 Microfiche camera with lens and film transport system 1980-11-25
4235533 Card motion picture editing system 1980-11-25
4229090 Film pack for small format film sheets John J. Driscoll, Nicholas Gold, Richard R. Wareham 1980-10-21
4227789 Photographic system accessory for small format film sheets John J. Driscoll, Nicholas Gold, Richard R. Wareham 1980-10-14
4227782 Card motion picture projection system 1980-10-14
4204752 Portable card motion picture viewer 1980-05-27
4199240 Film pack for small format film units 1980-04-22
4192593 Photographic film assemblage 1980-03-11